Electronic calculator having the functions of telephone book, address book, calendar, schedule book and memo book



FIG. 1 is a front elevational view of electronic calculator having the functions of telephone book, address book, calendar, schedule book and memo book, showing our new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a left side elevational view thereof;

FIG. 7 is a front elevational view thereof with a cover in closed position; and,

FIG. 8 is a right side elevational view thereof with a cover in closed position. 

The ornamental design for electronic calculator having the functions of telephone book, address book, calendar, schedule book and memo book, as shown and described. 